Question

if divisor of f(x) is x+a then find remainder of f(x) = 2x- a​

Answer 1

Answer:

f(x) = 2x - a

The divisor is x + a which is x + a = 0 so x = -a

Substitute=

f(-a) = 2 × -a - a

= -2a - a = -3a

Therefore, the remainder is equal to -3a